Technical Data R

Technical Data R.226.00.0900

Technical Data Introduction The Series 226 is a range of Low Pressure, Direct Acting, diaphragm operated, spring loaded regulators. Service Conditions Size Model Max. Inlet Outlet Pressure Pressure Range Use with confidence on natural and manufactured gases of nonaggressive nature, including Nitrogen, Carbon Dioxide, Propane, and Butane etc. 3\4 & 1 1 1 4, 1 1 2, & 2 226 Mk3 mbarg mbarg 3.7 to 7 mbarg 3.7 to 80 mbarg DN0 mbarg 3.7 to 80 mbarg Application Designed primarily for control of fuel gas feeds to industrial burners, heater units, boilers and other items of equipment where an accurate, safe and reliable controlled pressure supply is required. 3 /DN80 DN DN 226H Mk2 mbarg mbarg mbarg mbarg 3.7 to 80 mbarg 70 to mbarg 7. to mbarg 12. to mbarg Temperature Range: 20 O C to +60 O C Features Quick Response to Rapid Load Changes Installation at any angle Wide Operational Pressure Range Approvals to: DVGW GASTEC Complies generally with specification BG/PRS 33 Options Available with or without Inlet & Outlet Pressure Test Points (sizes 1 1 4 and above) Internally or Externally Impulsed (sizes 1 1 4 and above) Angle Type (1 1 4, 1 1 2, 2 screwed/80mm Flanged) Safety Diaphragm (sizes 1 1 4 and above) Fitting of Lead Wire Seal Size Range Screwed Flanged 20mm (3\4 ) 2mm (1 ) 32mm (1.1\4 ) 40mm (1.1\2 ) 0mm (2 ) 0mm 80mm (3 ) 80mm mm mm Installation Any orientation, but moisture or debris must not ingress the vent hole. BS21 Rc, RP BS404 PN16* * Can be drilled to other standards on request. 1

Spring Selection Outlet Pressure Range (in mbarg) Spring Colour 20 & 2mm Sc 32 & 40mm Sc SPRING NUMBER 0mm Sc 0mm FL 80mm Sc/FL mm FL mm FL 3.7 to 7. Red 397 292 4 3.7 to 10 White 113 114 7. to 1 Blue White/Gold 398 293 47 409 8 to 14 Red 1067 1072 12 to 2 Green 1068 1073 Self 399 283 48 12. to 2 Black/Gold 410 Lt. Blue/Dk. Green 419 21 to 3 Blue 1069 1074 Green 284 49 23 to 37 Yellow/Gold 412 Lt. Green/Red 429 24 to 60 Green 104 33 to Yellow 1070 107 3 to 60 Black Lt. Green/Brown 0 430 3 to 7 Yellow 80 3 to 80 Yellow Brown/Gold 28 414 0 to 80 Black 1071 1076 to 80 Grey 98 to 112 Lt. Green/Grey 431 70 to 112 Brown 774* 70 to Grey/Maroon 407 to Orange Self 77* 617 *Applicable to 80mm Series 226H only, connections: Sc=Screwed, FL=Flanged. Spring Data based on Spring Housing vertically upwards. 2

Capacities Set Point: 12. mbarg 20mm 226 MK2 Sc 2mm 226 MK2 Sc 0mm 226 MK3 Sc 2 7. 14 22 30 80 182 0 7. 16 27 128 2 7 4 7 27 329 4 7 27 310 34 2 14 27 40 1 2 8 16 40 0 48 80 mm 226 MK2 FL 80 390 780 128 390 780 00 0 310 43 60 1300 20 780 160 40 60 960 1920 48 70 0 0 Set Point: 20 mbarg 20mm 226 MK2 Sc 2mm 226 MK2 Sc 0mm 226 MK3 Sc 2. 6 19 6 74 0 8 11 32 70 189 7 13 39 77 160 304 13 37 32 218 347 9 30 60 400 3 2 40 37 00 68 8 mm 226 MK2 FL 6 130 43 780 300 80 1160 160 46 700 1400 218 610 790 180 720 940 1830 37 70 100 200 63 830 120 2470 Set Point: 30 mbarg 20mm 226 MK2 Sc 2mm 226 MK2 Sc 0mm 226 MK3 Sc 2 0 8. 13 28 6 240 7 8. 17 82 178 0 8. 20 210 404 6 1 113 3 493 10 33 124 440 81 62 930 mm 226 MK2 FL 610 1220 178 60 760 120 210 730 930 180 3 670 1 2140 440 830 120 2430 62 1040 140 280 3

Set Point: 4 mbarg 0mm 226 MK3 Sc 2 0 22 43 80 227 7 32 73 97 341 87 19 400 0 108 226 496 43 137 37 4 80 901 mm 226 MK2 FL 80 22 440 870 97 433 730 1440 19 7 900 1800 226 700 1 2220 37 900 1 2700 80 1 170 0 Set Point: 0 mbarg 0mm 226 MK3 Sc 2 0 7 31 70 114 379 92 178 430 6 11 226 60 140 380 632 600 930 mm 226 MK2 FL 114 380 720 1440 178 0 90 1900 226 7 1 2 380 90 1400 2680 600 1 1800 00 Set Point: 60 mbarg 0mm 226 MK3 Sc 2 0 7 30 60 279 37 9 192 430 8 12 283 64 142 400 632 620 930 mm 226 MK2 FL 29 640 1280 192 70 860 1700 283 710 100 2070 400 800 1 2270 620 900 1 4

Set Point: 70 mbarg 0mm 226 MK3 Sc 2 0 7 27 97 238 0 90 170 437 62 140 270 62 73 146 42 740 630 761 mm 226 MK2 FL 97 23 600 1 170 470 80 1700 270 660 1 2060 42 9 1 2640 630 0 140 280 Set Point: & mbarg mbarg mbarg 80mm 226H MK2 FL mm 226 MK2 FL 0 100 2040 70 1 2280 1 170 0 0 120 240 0 1800 00 Correction Factors The capacities given in the above tables are calculated in terms of natural gas of SG 0.6. To find the equivalent capacities of other gases, multiply the figures given by the appropriate correction factor listed below. Type of Gas Specific Gravity Correction Factor Air 1.0 0.77 Propane 1.3 0.63 Propane/Air (1 BthU) 1.2 0.71 Butane 2.0 0. Nitrogen 0.97 0.79 For all other Gases, multiply by the following correction factor: 0.6 SG of Gas handled

Materials of Construction Regulator Size 20 & 2mm Screwed 32, 40 & 0mm Screwed 0mm Flanged 80mm Screwed/Flanged & mm Flanged 226 Mk3 Body BS 1490 LM2 Cast Iron: BS 142 GR.220 Diaphragm Casing BS 1490 LM2 BS 1490 LM2 Top Cap BS 4300 2011TD Zinc Die Cast: BS 4A BS 1490 LM2 Bottom Plug/ Cover BS 4300 2011TD BS 1490 LM2 Cast Iron: BS 142 GR.220 Main Diaphragm Reinforced Reinforced Balancing Diaphragm Reinforced Reinforced Main Diaphragm Plates : BS 40 GR 43A Zinc Plated BS1706 Plated Mild Steel Mild Steel bonded into Diaphragm Plated Mild Steel Plated Mild Steel Spindle Mild Steel, Zinc Plated Mild Steel with Protective Coating Mild Steel with Protective Coating Mild Steel with Protective Coating Valve Seat Spring Spring Adjuster Acetal Hostaform: C32021 Acetal Copolymer Cast Iron: BS 142 GR.220 Distance Piece Acetal Hostaform: C32021 Acetal Copolymer ABS ABS Impulse Tube Acetal Hostaform: C32021 Acetal Copolymer O Rings Breather Valve Vent Cap 6

Dimensions & Weights SIZE Type A B C D E F Wt. Kg s 20mm SC 103 3 90 108 80 140 0.66 2mm SC 103 3 90 108 80 140 0.60 32mm SC 226 Mk3 163. 137. 170 80 210 1.8 40mm SC 226 Mk3 163. 137. 170 80 210 1.8 0mm SC 226 Mk3 210 61. 172. 230 90 270 3.17 0mm FL 210 8 261 213 110 420.0 80mm SC/FL 318 102 384 381 240 600 16.4 mm FL 9 134 620 41 310 970 63. mm FL 473 194 830 9 43 1270 114.7 All Dimensions in mm 7

Other Products in the Series 226 Range Relief Valves: Series 226R & 226HR Size Model Max. Inlet Pressure Relief Pressure Range 3\4 & 1 226R Mk3 mbarg 10 to 120 mbarg 11/4, 11/2, & 2 226R Mk3 226HR Mk3 mbarg 00 mbarg 10 to 120 mbarg 2 to mbarg DN0 226R Mk2 226HR Mk2 mbarg 00 mbarg 10 to 120 mbarg 10 to mbarg 3 /DN80 226R Mk2 226HR Mk2 mbarg 00 mbarg 10 to 70 mbarg 10 to 21 mbarg Pilots: Series 226K & 226HK Size Model Max. Inlet Pressure Outlet Pressure Range 3\4 & 1 226K 226HK 226MK 0 mbarg 0 mbarg mbarg 7. to 120 mbarg 110 to mbarg 7. to 37 mbarg Profiling Pilot: Size Model Max. Inlet Pressure Outlet Pressure Range 3\4 & 1 226DPP mbarg 17 to mbarg Zero Governors Series 226Z & 226ZBL Available in sizes: 1 1 4 to 3 screwed and 0mm to mm Flanged 8

Enterprise Drive, Holmewood, Chesterfield, England. S42 UZ UK Tel: (01246) 01 UK Fax: (01246) 00 Int Tel: +44 1246 01 Int Fax: +44 1246 00 email: sales@bdrmg.co.uk website: www.bdrmg.co.uk A Member of the Group The Bryan Donkin RMG Gas Controls policy is one of continuous improvement and development. The company reserves the right to change and introduce improved designs without notice.